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2669407 = 13205339
BaseRepresentation
bin1010001011101101011111
312000121201221
422023231133
51140410112
6133114211
731455346
oct12135537
95017657
102669407
111563624
12a88967
13726040
144d6b5d
1537ae07
hex28bb5f

2669407 has 4 divisors (see below), whose sum is σ = 2874760. Its totient is φ = 2464056.

The previous prime is 2669393. The next prime is 2669417. The reversal of 2669407 is 7049662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2669407 - 211 = 2667359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102657 + ... + 102682.

It is an arithmetic number, because the mean of its divisors is an integer number (718690).

22669407 is an apocalyptic number.

2669407 is a deficient number, since it is larger than the sum of its proper divisors (205353).

2669407 is a wasteful number, since it uses less digits than its factorization.

2669407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205352.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2669407 is about 1633.8319987073. The cubic root of 2669407 is about 138.7197396336.

The spelling of 2669407 in words is "two million, six hundred sixty-nine thousand, four hundred seven".

Divisors: 1 13 205339 2669407